General Index. 



349 



Susceptibility of host, due to 



physiological peculiarities 

 influence of structural charac- 

 ters 61 



Teleutospores ... 

 . direct infection by germ tube 

 function ... 



germination, factors influenc- 

 ing ... 



in Phragmidium rubi 

 in Puccinia graminis 

 in P. malvacearum 



61 



62 

 23 

 35 

 23 



35 

 35 



8, 24, 66 

 .. 24, 27 

 24 

 23 

 33 

 34 

 24 

 25 

 14 

 39 



.. 33, 35 

 ... 24, 75 

 63 

 32 

 5 



germ-pores 



occurrence 



origin and development 



peculiarity 



simple or compound 



two kinds... 



uninucleate 



variability, of form 



of germination ... 

 Teleutsori paraphysate... 

 Tomato, copper salts and disease 

 Trichopsora 

 Trifolium repens 

 Triphragmium ulmariae ... 36 



primary and secondary uredo 



spores ... ... 20, 36 



spermogonia with uredo ... 13, 37 

 Uninucleate spores ... 14 



Uredineae in relation to other 



fungi 



Uredino2)sis 



Uredo dispersa, histology 

 kuehnii, paraphyses 

 spyridii, paraphyses 

 symphyti ... 

 Uredosori, paraphyses ... 



parasites ... 

 Uredospores, binucleate 



derived from teleutospores 

 distribution 

 formation... 

 function ... 

 germinating power 



duration of 

 germination, in Puccinia chry- 



santhemi 



in P. rubigovera ... 

 germ tubes, piercing cells ... 

 infection by germ tubes 

 origin 



primary and secondary 

 produced within fruit in Puc- 

 cinia pruni 

 repeated formation 

 two celled, in Puccinia chry- 



santhemi ... 19 



wintering... ... 20, 21 



Uromyces ... ... 24, 83 



distinction between uredo- 

 spores and teleutospores ... 



betae 42,84 



bulbinis ... ... "J 



caryophyllinus ... ... 43, 85 



40 



83 



3 



22 



22, 29 

 23 



22, 29 



7,22 



14 



34 



7 



19 



21 



20 



8 



21 

 8 



10 

 3 



34 



19 



li) 

 19 



Uromyces dactylidit, paraphyses .'$< > 



danthoniae, with aecidium on 



grass ... ... ...18,57 



diploglot/; 



euphorbiae, perennial mycelium 5,70 . 



j'abae in Ecuador ... .... 20 



limosellae ... ... ... 85 



orchidearum, two-celled teleu- 

 tospores ... ... 39 



phyllodiorum, paraphyses ... 24, 29 

 pisi ... ... ... 84 



politus, two-celled teleuto- 

 spores ... 

 polygoni ... ... ...43,55 



proeminens transition forms 

 from teleutospore to uredo- 

 spore .. 

 puccinioides ... ... 85 



scutettatus, origin of uredo- 

 spore 



uredo with teleuto spore ... 36 

 solidaginis ... ... 36 



tricorynes, two-celled teleuto- 

 spores ... ... ... 39, 83 



trifolii complete cycle 

 introduced ... ... 43 



perennial mycelium 

 tuberculatus ... 35 



vesiculosus, two-celled teleu- 

 tospores ... ... 39, 83 



Uromydadium 24, 83, 104 



forming galls often 



mesospores ... 25, 26 



spermogonia 



teleutospores 



vesicles ... ... - 24 



Uromydadium maritimum, occur- 

 rence of spermogonia ... 13, 37 

 notabile ... - 1* 



perennial mycelium and 



galls ... -. 6 



robinsoni, spermogonia ... i> 

 tepperianum, spermpgonia ... 13, 3/ 

 perennial mycelium and 



galls 



Uropyxis 



Ustilagines ... 



Vegetative organs, mycelium ... 3 



Verrucose uredospores ... 



Vesicle in Uromydadium 



Violet rust, native (Puccima 

 hederaceae) 



Water relation, for Puccinia on 



asparagus 



to infection, direct and in- 

 direct ... 



Wattles, gall- fungi on ... ... 



Wheat rust. See Rust of Wheat. 



Wheat, rust-resisting ...' J 



self-sown and rust ... ^ b., /- 



Wild oats and wheat rust ... J 



Wind distribution of spores ... / 



Wintering of rust spores 



Witches' brooms 



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